Diet Overlap

Rangifer tarandus (caribou) Branta hutchinsii (Cackling Goose)

Common Diet

Arctagrostis latifolia (wideleaf polargrass) Carex bonanzensis (Yukon sedge) Eriophorum scheuchzeri (white cottongrass)

Common Habitat

Aleutian Islands Biosphere Reserve Europe & Northern Asia (excluding China) North America Southern Asia